max,
'./tests/worker-files/cluster/testWorker.js',
{
- errorHandler: e => console.error(e),
- onlineHandler: () => console.log('worker is online')
+ errorHandler: e => console.error(e)
}
)
pool.execute({ test: 'test' })
}
expect(pool.workers.length).toBeGreaterThan(min)
- await new Promise(resolve => setTimeout(resolve, 2000))
+ await new Promise(resolve => setTimeout(resolve, 3000))
expect(pool.workers.length).toBe(min)
})
it('Shutdown test', async () => {
})
})
pool.destroy()
- await new Promise(resolve => setTimeout(resolve, 1000))
+ await new Promise(resolve => setTimeout(resolve, 2000))
expect(closedWorkers).toBe(min)
})
const res = await pool1.execute({ test: 'test' })
expect(res).toBeFalsy()
})
+
+ it('Verify scale processes up and down is working when long running task is used:hard', async () => {
+ const longRunningPool = new DynamicClusterPool(
+ min,
+ max,
+ './tests/worker/cluster/longRunningWorkerHardBehavior.js'
+ )
+ expect(longRunningPool.workers.length).toBe(min)
+ for (let i = 0; i < max * 10; i++) {
+ longRunningPool.execute({ test: 'test' })
+ }
+ expect(longRunningPool.workers.length).toBe(max)
+ await new Promise(resolve => setTimeout(resolve, 3000))
+ // Here we expect the workers to be at the max size since that the task is still running
+ expect(longRunningPool.workers.length).toBe(min)
+ })
+
+ it('Verify scale processes up and down is working when long running task is used:soft', async () => {
+ const longRunningPool = new DynamicClusterPool(
+ min,
+ max,
+ './tests/worker/cluster/longRunningWorkerSoftBehavior.js'
+ )
+ expect(longRunningPool.workers.length).toBe(min)
+ for (let i = 0; i < max * 10; i++) {
+ longRunningPool.execute({ test: 'test' })
+ }
+ expect(longRunningPool.workers.length).toBe(max)
+ await new Promise(resolve => setTimeout(resolve, 3000))
+ // Here we expect the workers to be at the max size since that the task is still running
+ expect(longRunningPool.workers.length).toBe(max)
+ })
})